./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:46:08,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:46:09,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:46:09,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:46:09,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:46:09,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:46:09,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:46:09,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:46:09,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:46:09,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:46:09,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:46:09,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:46:09,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:46:09,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:46:09,085 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:46:09,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:46:09,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:46:09,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:46:09,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:46:09,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:46:09,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:46:09,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:46:09,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:46:09,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:46:09,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:46:09,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:46:09,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:46:09,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:46:09,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:46:09,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:46:09,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:46:09,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:46:09,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:46:09,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:46:09,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:46:09,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:46:09,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:46:09,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:46:09,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:46:09,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:46:09,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:46:09,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:46:09,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:46:09,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:46:09,097 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 [2024-11-09 11:46:09,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:46:09,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:46:09,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:46:09,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:46:09,388 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:46:09,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2024-11-09 11:46:10,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:46:11,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:46:11,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2024-11-09 11:46:11,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b577f94/d1e0da676d4d44ae861e259785a78c25/FLAGea11beadf [2024-11-09 11:46:11,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b577f94/d1e0da676d4d44ae861e259785a78c25 [2024-11-09 11:46:11,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:46:11,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:46:11,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:46:11,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:46:11,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:46:11,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309d49c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11, skipping insertion in model container [2024-11-09 11:46:11,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:46:11,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:46:11,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:46:11,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:46:11,679 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:46:11,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11 WrapperNode [2024-11-09 11:46:11,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:46:11,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:46:11,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:46:11,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:46:11,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,720 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2024-11-09 11:46:11,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:46:11,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:46:11,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:46:11,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:46:11,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,747 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:46:11,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:46:11,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:46:11,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:46:11,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:46:11,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (1/1) ... [2024-11-09 11:46:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:46:11,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:11,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:46:11,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:46:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:46:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:46:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:46:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:46:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:46:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:46:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:46:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:46:11,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:46:11,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:46:12,476 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-09 11:46:12,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:46:12,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:46:12,505 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:46:12,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:46:12 BoogieIcfgContainer [2024-11-09 11:46:12,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:46:12,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:46:12,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:46:12,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:46:12,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:46:11" (1/3) ... [2024-11-09 11:46:12,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fed7c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:46:12, skipping insertion in model container [2024-11-09 11:46:12,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:11" (2/3) ... [2024-11-09 11:46:12,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fed7c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:46:12, skipping insertion in model container [2024-11-09 11:46:12,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:46:12" (3/3) ... [2024-11-09 11:46:12,516 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_unwindbound5.c [2024-11-09 11:46:12,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:46:12,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 11:46:12,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:46:12,602 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20476a5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:46:12,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-09 11:46:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 75 states have (on average 1.8533333333333333) internal successors, (139), 133 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:46:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 11:46:12,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:12,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 11:46:12,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:12,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:12,616 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-09 11:46:12,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560445944] [2024-11-09 11:46:12,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:46:12,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:12,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560445944] [2024-11-09 11:46:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560445944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:12,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:12,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088172075] [2024-11-09 11:46:12,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:12,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:12,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:12,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:12,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:12,805 INFO L87 Difference]: Start difference. First operand has 140 states, 75 states have (on average 1.8533333333333333) internal successors, (139), 133 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:12,894 INFO L93 Difference]: Finished difference Result 257 states and 281 transitions. [2024-11-09 11:46:12,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:12,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 11:46:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:12,902 INFO L225 Difference]: With dead ends: 257 [2024-11-09 11:46:12,902 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:46:12,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:12,908 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 13 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:12,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 218 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:46:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-09 11:46:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7142857142857142) internal successors, (120), 117 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 126 transitions. [2024-11-09 11:46:12,949 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 126 transitions. Word has length 3 [2024-11-09 11:46:12,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:12,950 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 126 transitions. [2024-11-09 11:46:12,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 126 transitions. [2024-11-09 11:46:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:46:12,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:12,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:46:12,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:46:12,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:12,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:12,952 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-09 11:46:12,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:12,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548808925] [2024-11-09 11:46:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:12,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:46:13,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:13,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548808925] [2024-11-09 11:46:13,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548808925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:13,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:13,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:13,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007861233] [2024-11-09 11:46:13,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:13,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:13,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,007 INFO L87 Difference]: Start difference. First operand 123 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:13,073 INFO L93 Difference]: Finished difference Result 123 states and 126 transitions. [2024-11-09 11:46:13,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:13,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:46:13,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:13,075 INFO L225 Difference]: With dead ends: 123 [2024-11-09 11:46:13,076 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:46:13,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,079 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 12 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:13,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 205 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:13,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:46:13,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-09 11:46:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6571428571428573) internal successors, (116), 113 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 122 transitions. [2024-11-09 11:46:13,100 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 122 transitions. Word has length 4 [2024-11-09 11:46:13,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:13,100 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 122 transitions. [2024-11-09 11:46:13,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2024-11-09 11:46:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:46:13,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:13,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:13,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:46:13,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:13,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:13,103 INFO L85 PathProgramCache]: Analyzing trace with hash 87858952, now seen corresponding path program 1 times [2024-11-09 11:46:13,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:13,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818426875] [2024-11-09 11:46:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:13,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885763661] [2024-11-09 11:46:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:13,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:13,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:13,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:13,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:46:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:13,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:46:13,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:46:13,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:13,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:13,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818426875] [2024-11-09 11:46:13,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:13,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885763661] [2024-11-09 11:46:13,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885763661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:13,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:13,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:13,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840663135] [2024-11-09 11:46:13,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:13,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:13,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:13,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:13,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,257 INFO L87 Difference]: Start difference. First operand 119 states and 122 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:13,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:13,305 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2024-11-09 11:46:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:46:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:13,306 INFO L225 Difference]: With dead ends: 119 [2024-11-09 11:46:13,306 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 11:46:13,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,308 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 8 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:13,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 205 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 11:46:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 11:46:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.6285714285714286) internal successors, (114), 111 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2024-11-09 11:46:13,328 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 8 [2024-11-09 11:46:13,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:13,328 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2024-11-09 11:46:13,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:46:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2024-11-09 11:46:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:46:13,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:13,329 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:13,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:46:13,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:13,531 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:13,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:13,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1367701482, now seen corresponding path program 1 times [2024-11-09 11:46:13,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:13,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594839499] [2024-11-09 11:46:13,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:13,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:13,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951010535] [2024-11-09 11:46:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:13,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:13,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:13,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:46:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:13,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:46:13,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:13,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:13,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:13,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594839499] [2024-11-09 11:46:13,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:13,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951010535] [2024-11-09 11:46:13,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951010535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:13,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:13,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:13,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121411184] [2024-11-09 11:46:13,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:13,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:13,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:13,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:13,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,694 INFO L87 Difference]: Start difference. First operand 117 states and 120 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:13,728 INFO L93 Difference]: Finished difference Result 117 states and 120 transitions. [2024-11-09 11:46:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-09 11:46:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:13,732 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:46:13,732 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 11:46:13,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:13,733 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 86 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:13,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 114 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 11:46:13,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 11:46:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.6) internal successors, (112), 109 states have internal predecessors, (112), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 118 transitions. [2024-11-09 11:46:13,741 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 118 transitions. Word has length 25 [2024-11-09 11:46:13,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:13,743 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 118 transitions. [2024-11-09 11:46:13,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2024-11-09 11:46:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:46:13,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:13,744 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:13,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:46:13,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:46:13,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:13,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:13,949 INFO L85 PathProgramCache]: Analyzing trace with hash -550926956, now seen corresponding path program 1 times [2024-11-09 11:46:13,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:13,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924923718] [2024-11-09 11:46:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:13,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:14,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924923718] [2024-11-09 11:46:14,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924923718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471840299] [2024-11-09 11:46:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:14,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:14,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:14,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:46:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:14,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:46:14,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:14,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471840299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:14,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:46:14,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:46:14,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416341221] [2024-11-09 11:46:14,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:14,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:46:14,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:14,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:46:14,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:46:14,749 INFO L87 Difference]: Start difference. First operand 115 states and 118 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:14,850 INFO L93 Difference]: Finished difference Result 115 states and 118 transitions. [2024-11-09 11:46:14,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:46:14,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-09 11:46:14,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:14,855 INFO L225 Difference]: With dead ends: 115 [2024-11-09 11:46:14,855 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 11:46:14,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:46:14,856 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:14,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 389 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 11:46:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-09 11:46:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5714285714285714) internal successors, (110), 107 states have internal predecessors, (110), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 116 transitions. [2024-11-09 11:46:14,871 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 116 transitions. Word has length 26 [2024-11-09 11:46:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:14,873 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 116 transitions. [2024-11-09 11:46:14,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 116 transitions. [2024-11-09 11:46:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:46:14,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:14,875 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:14,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:46:15,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:15,079 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:15,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:15,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1159825162, now seen corresponding path program 1 times [2024-11-09 11:46:15,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:15,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150796405] [2024-11-09 11:46:15,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:15,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:15,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150796405] [2024-11-09 11:46:15,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150796405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:15,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:15,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:15,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180664991] [2024-11-09 11:46:15,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:15,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:15,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:15,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:15,179 INFO L87 Difference]: Start difference. First operand 113 states and 116 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:15,204 INFO L93 Difference]: Finished difference Result 113 states and 116 transitions. [2024-11-09 11:46:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:46:15,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 11:46:15,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:15,206 INFO L225 Difference]: With dead ends: 113 [2024-11-09 11:46:15,206 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 11:46:15,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:15,208 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:15,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 217 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 11:46:15,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-09 11:46:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 106 states have internal predecessors, (109), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions. [2024-11-09 11:46:15,220 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 28 [2024-11-09 11:46:15,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:15,224 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions. [2024-11-09 11:46:15,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2024-11-09 11:46:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:46:15,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:15,226 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:15,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:46:15,226 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:15,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:15,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1594841583, now seen corresponding path program 1 times [2024-11-09 11:46:15,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:15,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335311240] [2024-11-09 11:46:15,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:15,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:15,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335311240] [2024-11-09 11:46:15,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335311240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:15,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:15,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:15,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737316629] [2024-11-09 11:46:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:15,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:15,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:15,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:15,328 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:15,358 INFO L93 Difference]: Finished difference Result 145 states and 148 transitions. [2024-11-09 11:46:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 11:46:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:15,360 INFO L225 Difference]: With dead ends: 145 [2024-11-09 11:46:15,360 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:46:15,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:15,361 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 8 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:15,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 308 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:46:15,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 11:46:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 74 states have (on average 1.527027027027027) internal successors, (113), 110 states have internal predecessors, (113), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 119 transitions. [2024-11-09 11:46:15,371 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 119 transitions. Word has length 29 [2024-11-09 11:46:15,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:15,371 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 119 transitions. [2024-11-09 11:46:15,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 119 transitions. [2024-11-09 11:46:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:46:15,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:15,378 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:15,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:46:15,379 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:15,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:15,379 INFO L85 PathProgramCache]: Analyzing trace with hash 660565843, now seen corresponding path program 1 times [2024-11-09 11:46:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:15,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825416718] [2024-11-09 11:46:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:15,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:15,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825416718] [2024-11-09 11:46:15,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825416718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:15,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:15,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:15,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503140769] [2024-11-09 11:46:15,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:15,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:15,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:15,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:15,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:15,431 INFO L87 Difference]: Start difference. First operand 116 states and 119 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:15,472 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2024-11-09 11:46:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:15,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-09 11:46:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:15,475 INFO L225 Difference]: With dead ends: 118 [2024-11-09 11:46:15,475 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 11:46:15,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:15,476 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:15,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 11:46:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 11:46:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 75 states have (on average 1.52) internal successors, (114), 111 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2024-11-09 11:46:15,487 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 31 [2024-11-09 11:46:15,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:15,490 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2024-11-09 11:46:15,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2024-11-09 11:46:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:46:15,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:15,491 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:15,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:46:15,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:15,491 INFO L85 PathProgramCache]: Analyzing trace with hash -997295267, now seen corresponding path program 1 times [2024-11-09 11:46:15,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:15,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384497840] [2024-11-09 11:46:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:15,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:15,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384497840] [2024-11-09 11:46:15,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384497840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:15,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:15,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:15,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054282635] [2024-11-09 11:46:15,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:15,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:15,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:15,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:15,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:15,574 INFO L87 Difference]: Start difference. First operand 117 states and 120 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:15,646 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2024-11-09 11:46:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:46:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-09 11:46:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:15,647 INFO L225 Difference]: With dead ends: 119 [2024-11-09 11:46:15,647 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 11:46:15,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:15,648 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:15,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 214 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 11:46:15,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-09 11:46:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 76 states have (on average 1.513157894736842) internal successors, (115), 112 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2024-11-09 11:46:15,654 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 32 [2024-11-09 11:46:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:15,654 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2024-11-09 11:46:15,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2024-11-09 11:46:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:46:15,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:15,655 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:15,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:46:15,656 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:15,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:15,656 INFO L85 PathProgramCache]: Analyzing trace with hash -851382123, now seen corresponding path program 1 times [2024-11-09 11:46:15,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:15,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390631556] [2024-11-09 11:46:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:15,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176077209] [2024-11-09 11:46:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:15,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:15,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:15,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:15,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:46:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:15,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:46:15,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:15,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:15,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390631556] [2024-11-09 11:46:15,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176077209] [2024-11-09 11:46:15,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176077209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:15,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:15,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732060478] [2024-11-09 11:46:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:15,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:15,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:15,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:15,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:15,779 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:15,835 INFO L93 Difference]: Finished difference Result 154 states and 165 transitions. [2024-11-09 11:46:15,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:15,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-09 11:46:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:15,837 INFO L225 Difference]: With dead ends: 154 [2024-11-09 11:46:15,837 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 11:46:15,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:15,837 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:15,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:15,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 11:46:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2024-11-09 11:46:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 113 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 122 transitions. [2024-11-09 11:46:15,843 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 122 transitions. Word has length 33 [2024-11-09 11:46:15,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:15,844 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 122 transitions. [2024-11-09 11:46:15,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2024-11-09 11:46:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:46:15,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:15,845 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:15,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:46:16,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:16,048 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:16,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:16,048 INFO L85 PathProgramCache]: Analyzing trace with hash -623041953, now seen corresponding path program 1 times [2024-11-09 11:46:16,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:16,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177962893] [2024-11-09 11:46:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:16,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:16,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:16,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177962893] [2024-11-09 11:46:16,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177962893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:16,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364940946] [2024-11-09 11:46:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:16,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:16,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:16,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:16,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:46:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:16,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:46:16,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:16,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:16,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364940946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:16,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:46:16,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-09 11:46:16,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965542460] [2024-11-09 11:46:16,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:16,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:46:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:46:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:46:16,737 INFO L87 Difference]: Start difference. First operand 119 states and 122 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:16,989 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-11-09 11:46:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:46:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2024-11-09 11:46:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:16,991 INFO L225 Difference]: With dead ends: 154 [2024-11-09 11:46:16,991 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 11:46:16,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:46:16,992 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 217 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:16,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 573 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:46:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 11:46:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 120. [2024-11-09 11:46:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.5) internal successors, (117), 114 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:46:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2024-11-09 11:46:17,000 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 34 [2024-11-09 11:46:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:17,000 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2024-11-09 11:46:17,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2024-11-09 11:46:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:46:17,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:17,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:17,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:46:17,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:46:17,204 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:17,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1742859935, now seen corresponding path program 1 times [2024-11-09 11:46:17,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:17,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503609202] [2024-11-09 11:46:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581687712] [2024-11-09 11:46:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:17,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:17,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:17,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:17,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:46:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:17,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:46:17,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:17,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:17,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:17,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503609202] [2024-11-09 11:46:17,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:17,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581687712] [2024-11-09 11:46:17,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581687712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:17,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:46:17,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:46:17,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686969961] [2024-11-09 11:46:17,600 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:17,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:46:17,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:17,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:46:17,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:46:17,601 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:46:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:18,758 INFO L93 Difference]: Finished difference Result 198 states and 212 transitions. [2024-11-09 11:46:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:46:18,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-09 11:46:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:18,759 INFO L225 Difference]: With dead ends: 198 [2024-11-09 11:46:18,759 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 11:46:18,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:46:18,760 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 217 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:18,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 303 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:46:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 11:46:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 168. [2024-11-09 11:46:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 125 states have (on average 1.512) internal successors, (189), 161 states have internal predecessors, (189), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:46:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 197 transitions. [2024-11-09 11:46:18,772 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 197 transitions. Word has length 36 [2024-11-09 11:46:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:18,772 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 197 transitions. [2024-11-09 11:46:18,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:46:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 197 transitions. [2024-11-09 11:46:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:46:18,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:18,774 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:18,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:46:18,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:18,976 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:18,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:18,976 INFO L85 PathProgramCache]: Analyzing trace with hash 148850787, now seen corresponding path program 1 times [2024-11-09 11:46:18,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:18,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988471563] [2024-11-09 11:46:18,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:18,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:18,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139443603] [2024-11-09 11:46:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:18,996 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:18,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:46:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:46:19,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:19,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:19,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:19,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988471563] [2024-11-09 11:46:19,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:19,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139443603] [2024-11-09 11:46:19,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139443603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:19,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:19,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:19,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128903147] [2024-11-09 11:46:19,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:19,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:19,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:19,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:19,070 INFO L87 Difference]: Start difference. First operand 168 states and 197 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:19,200 INFO L93 Difference]: Finished difference Result 286 states and 346 transitions. [2024-11-09 11:46:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:19,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-09 11:46:19,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:19,204 INFO L225 Difference]: With dead ends: 286 [2024-11-09 11:46:19,204 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 11:46:19,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:19,205 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 53 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:19,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 148 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 11:46:19,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 241. [2024-11-09 11:46:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 196 states have (on average 1.4795918367346939) internal successors, (290), 232 states have internal predecessors, (290), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 302 transitions. [2024-11-09 11:46:19,219 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 302 transitions. Word has length 38 [2024-11-09 11:46:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:19,221 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 302 transitions. [2024-11-09 11:46:19,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 302 transitions. [2024-11-09 11:46:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:46:19,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:19,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:19,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:46:19,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:19,424 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:19,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash -671097975, now seen corresponding path program 1 times [2024-11-09 11:46:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:19,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160361148] [2024-11-09 11:46:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:19,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:19,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160361148] [2024-11-09 11:46:19,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160361148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:19,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:19,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:46:19,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069040012] [2024-11-09 11:46:19,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:19,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:46:19,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:19,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:46:19,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:19,526 INFO L87 Difference]: Start difference. First operand 241 states and 302 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:19,659 INFO L93 Difference]: Finished difference Result 241 states and 302 transitions. [2024-11-09 11:46:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:19,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-09 11:46:19,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:19,661 INFO L225 Difference]: With dead ends: 241 [2024-11-09 11:46:19,661 INFO L226 Difference]: Without dead ends: 240 [2024-11-09 11:46:19,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:46:19,661 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 118 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:19,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 188 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-09 11:46:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-09 11:46:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 196 states have (on average 1.4591836734693877) internal successors, (286), 231 states have internal predecessors, (286), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 298 transitions. [2024-11-09 11:46:19,674 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 298 transitions. Word has length 56 [2024-11-09 11:46:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:19,674 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 298 transitions. [2024-11-09 11:46:19,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 298 transitions. [2024-11-09 11:46:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:46:19,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:19,677 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:19,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:46:19,677 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:19,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:19,678 INFO L85 PathProgramCache]: Analyzing trace with hash -671098295, now seen corresponding path program 1 times [2024-11-09 11:46:19,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:19,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421004078] [2024-11-09 11:46:19,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:19,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421004078] [2024-11-09 11:46:19,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421004078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:19,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:19,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:19,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660284988] [2024-11-09 11:46:19,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:19,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:19,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:19,764 INFO L87 Difference]: Start difference. First operand 240 states and 298 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:19,915 INFO L93 Difference]: Finished difference Result 256 states and 299 transitions. [2024-11-09 11:46:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:46:19,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-09 11:46:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:19,918 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:46:19,918 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 11:46:19,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:19,919 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 39 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:19,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 197 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 11:46:19,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 240. [2024-11-09 11:46:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 231 states have internal predecessors, (284), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 296 transitions. [2024-11-09 11:46:19,943 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 296 transitions. Word has length 56 [2024-11-09 11:46:19,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:19,948 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 296 transitions. [2024-11-09 11:46:19,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 296 transitions. [2024-11-09 11:46:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:46:19,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:19,949 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:19,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:46:19,950 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:19,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:19,950 INFO L85 PathProgramCache]: Analyzing trace with hash 670799390, now seen corresponding path program 1 times [2024-11-09 11:46:19,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:19,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978377646] [2024-11-09 11:46:19,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:19,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:19,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:20,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:20,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978377646] [2024-11-09 11:46:20,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978377646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:20,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:20,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:20,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583470781] [2024-11-09 11:46:20,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:20,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:20,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:20,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:20,017 INFO L87 Difference]: Start difference. First operand 240 states and 296 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:20,164 INFO L93 Difference]: Finished difference Result 263 states and 323 transitions. [2024-11-09 11:46:20,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:46:20,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-09 11:46:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:20,166 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:46:20,166 INFO L226 Difference]: Without dead ends: 259 [2024-11-09 11:46:20,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:20,167 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 54 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:20,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:20,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-09 11:46:20,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 234. [2024-11-09 11:46:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 194 states have (on average 1.402061855670103) internal successors, (272), 225 states have internal predecessors, (272), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 284 transitions. [2024-11-09 11:46:20,179 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 284 transitions. Word has length 57 [2024-11-09 11:46:20,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:20,180 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 284 transitions. [2024-11-09 11:46:20,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2024-11-09 11:46:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:46:20,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:20,181 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:20,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:46:20,181 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:20,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash 670789460, now seen corresponding path program 1 times [2024-11-09 11:46:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:20,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531306131] [2024-11-09 11:46:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:20,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:20,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:20,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531306131] [2024-11-09 11:46:20,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531306131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:20,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:20,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:46:20,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684456010] [2024-11-09 11:46:20,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:20,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:46:20,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:20,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:46:20,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:20,275 INFO L87 Difference]: Start difference. First operand 234 states and 284 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:20,478 INFO L93 Difference]: Finished difference Result 242 states and 285 transitions. [2024-11-09 11:46:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:20,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-09 11:46:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:20,480 INFO L225 Difference]: With dead ends: 242 [2024-11-09 11:46:20,480 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 11:46:20,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:46:20,481 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 138 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:20,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 164 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:46:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 11:46:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 234. [2024-11-09 11:46:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 194 states have (on average 1.3917525773195876) internal successors, (270), 225 states have internal predecessors, (270), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 282 transitions. [2024-11-09 11:46:20,498 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 282 transitions. Word has length 57 [2024-11-09 11:46:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:20,498 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 282 transitions. [2024-11-09 11:46:20,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 282 transitions. [2024-11-09 11:46:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:46:20,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:20,499 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:20,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:46:20,499 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:20,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:20,500 INFO L85 PathProgramCache]: Analyzing trace with hash -825338779, now seen corresponding path program 1 times [2024-11-09 11:46:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:20,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189474788] [2024-11-09 11:46:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:20,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:20,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:20,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189474788] [2024-11-09 11:46:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189474788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:20,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133416065] [2024-11-09 11:46:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:20,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:20,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:20,614 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:20,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:46:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:20,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:46:20,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:20,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133416065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:20,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:46:20,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-09 11:46:20,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172716821] [2024-11-09 11:46:20,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:20,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:46:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:20,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:46:20,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:46:20,845 INFO L87 Difference]: Start difference. First operand 234 states and 282 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:46:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:20,965 INFO L93 Difference]: Finished difference Result 602 states and 706 transitions. [2024-11-09 11:46:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:46:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 62 [2024-11-09 11:46:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:20,967 INFO L225 Difference]: With dead ends: 602 [2024-11-09 11:46:20,968 INFO L226 Difference]: Without dead ends: 559 [2024-11-09 11:46:20,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:46:20,968 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 224 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:20,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 790 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-09 11:46:20,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 420. [2024-11-09 11:46:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 372 states have (on average 1.4220430107526882) internal successors, (529), 403 states have internal predecessors, (529), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:46:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 551 transitions. [2024-11-09 11:46:20,990 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 551 transitions. Word has length 62 [2024-11-09 11:46:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:20,991 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 551 transitions. [2024-11-09 11:46:20,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:46:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 551 transitions. [2024-11-09 11:46:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:46:20,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:20,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:21,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:46:21,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:46:21,193 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:21,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1418385575, now seen corresponding path program 1 times [2024-11-09 11:46:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:21,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599137262] [2024-11-09 11:46:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:21,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599137262] [2024-11-09 11:46:21,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599137262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:21,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:21,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:46:21,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888191391] [2024-11-09 11:46:21,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:21,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:46:21,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:21,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:46:21,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:21,256 INFO L87 Difference]: Start difference. First operand 420 states and 551 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:21,407 INFO L93 Difference]: Finished difference Result 481 states and 622 transitions. [2024-11-09 11:46:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2024-11-09 11:46:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:21,410 INFO L225 Difference]: With dead ends: 481 [2024-11-09 11:46:21,410 INFO L226 Difference]: Without dead ends: 480 [2024-11-09 11:46:21,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:46:21,411 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 96 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:21,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 240 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:21,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-09 11:46:21,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 433. [2024-11-09 11:46:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 385 states have (on average 1.4077922077922078) internal successors, (542), 416 states have internal predecessors, (542), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:46:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 564 transitions. [2024-11-09 11:46:21,435 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 564 transitions. Word has length 64 [2024-11-09 11:46:21,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:21,435 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 564 transitions. [2024-11-09 11:46:21,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:46:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 564 transitions. [2024-11-09 11:46:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:46:21,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:21,436 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:21,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 11:46:21,437 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:21,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:21,437 INFO L85 PathProgramCache]: Analyzing trace with hash -836399119, now seen corresponding path program 1 times [2024-11-09 11:46:21,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:21,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580432662] [2024-11-09 11:46:21,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:21,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580432662] [2024-11-09 11:46:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580432662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592210758] [2024-11-09 11:46:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:21,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:21,549 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:21,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:46:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:21,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:46:21,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:21,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:21,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592210758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:21,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:46:21,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-09 11:46:21,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767369027] [2024-11-09 11:46:21,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:21,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:46:21,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:21,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:46:21,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:46:21,876 INFO L87 Difference]: Start difference. First operand 433 states and 564 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-09 11:46:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:22,599 INFO L93 Difference]: Finished difference Result 583 states and 738 transitions. [2024-11-09 11:46:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:46:22,600 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 64 [2024-11-09 11:46:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:22,602 INFO L225 Difference]: With dead ends: 583 [2024-11-09 11:46:22,602 INFO L226 Difference]: Without dead ends: 581 [2024-11-09 11:46:22,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:46:22,604 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 597 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:22,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 415 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:46:22,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-09 11:46:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 436. [2024-11-09 11:46:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 389 states have (on average 1.3933161953727506) internal successors, (542), 419 states have internal predecessors, (542), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:46:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 564 transitions. [2024-11-09 11:46:22,632 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 564 transitions. Word has length 64 [2024-11-09 11:46:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:22,633 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 564 transitions. [2024-11-09 11:46:22,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-09 11:46:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 564 transitions. [2024-11-09 11:46:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:46:22,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:22,634 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:22,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:46:22,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:22,839 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:22,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1020279945, now seen corresponding path program 1 times [2024-11-09 11:46:22,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:22,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550875134] [2024-11-09 11:46:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:22,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:22,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:22,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550875134] [2024-11-09 11:46:22,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550875134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:22,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372174485] [2024-11-09 11:46:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:22,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:22,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:22,927 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:22,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:46:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:22,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:46:22,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:23,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372174485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:23,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:46:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:46:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924928605] [2024-11-09 11:46:23,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:46:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:46:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:46:23,287 INFO L87 Difference]: Start difference. First operand 436 states and 564 transitions. Second operand has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 11:46:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:23,875 INFO L93 Difference]: Finished difference Result 542 states and 697 transitions. [2024-11-09 11:46:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:46:23,876 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 65 [2024-11-09 11:46:23,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:23,878 INFO L225 Difference]: With dead ends: 542 [2024-11-09 11:46:23,879 INFO L226 Difference]: Without dead ends: 540 [2024-11-09 11:46:23,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:46:23,880 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 242 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:23,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 359 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:46:23,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-09 11:46:23,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 448. [2024-11-09 11:46:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 401 states have (on average 1.371571072319202) internal successors, (550), 431 states have internal predecessors, (550), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:46:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 572 transitions. [2024-11-09 11:46:23,907 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 572 transitions. Word has length 65 [2024-11-09 11:46:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:23,907 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 572 transitions. [2024-11-09 11:46:23,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 11:46:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 572 transitions. [2024-11-09 11:46:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:46:23,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:23,909 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:23,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:46:24,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:46:24,113 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:46:24,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -158568833, now seen corresponding path program 1 times [2024-11-09 11:46:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:24,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094070902] [2024-11-09 11:46:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:24,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:46:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:46:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:24,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:24,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094070902] [2024-11-09 11:46:24,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094070902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:24,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482053397] [2024-11-09 11:46:24,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:24,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:24,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:46:24,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:46:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:24,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:46:24,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:34,597 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_45| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_45| |v_ULTIMATE.start_main_~R~0#1_45|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-09 11:46:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 6 not checked. [2024-11-09 11:46:34,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482053397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:34,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:46:34,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:46:34,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610378425] [2024-11-09 11:46:34,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:34,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:46:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:34,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:46:34,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=4, NotChecked=22, Total=182 [2024-11-09 11:46:34,763 INFO L87 Difference]: Start difference. First operand 448 states and 572 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:46:35,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:46:39,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:46:44,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:46:54,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:46:59,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:02,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:03,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:07,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:17,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:21,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:23,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:24,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:26,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:27,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:28,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:29,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:30,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:31,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:32,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:36,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:42,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:43,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:47,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:49,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]